Open to the public

Tribune photo by Brian Cassella

Peyton Rawls, 6, of Chicago, plays while touring architect Zaha Hadid's pavilion after it opened to the public. Hadid's structure is part of the centennial celebration of Daniel Burnham's 1909 Plan of Chicago, in Millennium Park.

Peyton Rawls, 6, of Chicago, plays while touring architect Zaha Hadid's pavilion after it opened to the public. Hadid's structure is part of the centennial celebration of Daniel Burnham's 1909 Plan of Chicago, in Millennium Park. (Tribune photo by Brian Cassella)

Peyton Rawls, 6, of Chicago, plays while touring architect Zaha Hadid's pavilion after it opened to the public. Hadid's structure is part of the centennial celebration of Daniel Burnham's 1909 Plan of Chicago, in Millennium Park.